South Africans thinking about teaching English in China might find it difficult to get a job.A change in the rules governing foreign teachers' qualifications, and the preferences of Chinese parents, are hampering foreign teachers from landing lucrative posts in the communist state.Black South Africans appear to be further disadvantaged, with some claiming unfair discrimination.English Access director Kai Drews said on average 15 South Africans went to teach in Asia every month.The Chinese State Administration of Foreign Experts Affairs requires non-Chinese English speakers without at least two years of experience in teaching English as a foreign language to have a degree from an English-speaking country to prove their language proficiency.A Pretoria man left for China last week to begin his second stint as a teacher in that country, this time for a company. It took him twice as long to find a job as it did in 2013.He said he was shocked when a placement agency told him that Chinese schools now required "white native speakers", and that positions for South Africans were "rare"."It's only skin colour that matters for [Chinese] parents."They don't care if the person is unqualified as long as he is white and speaks English," he said.A Chinese embassy spokesman said China "firmly" supported eliminating all forms of racial discrimination and that the Chinese treated all Africans equally."At present there are a number of Africans studying and working in China and some of them have chosen to settle there," he said...